E.B.C. (1990). The Central Sales Tax. Eastern Book company Lacknow.
Chicago Style aipamenaE.B.C. The Central Sales Tax. Bombay: Eastern Book company Lacknow, 1990.
MLA aipamenaE.B.C. The Central Sales Tax. Eastern Book company Lacknow, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.